Não informado. (1987). Information and Software Technology. Butterworth Scientific.
Lua i Stíl Chicago (17ú heag.)Não informado. Information and Software Technology. London: Butterworth Scientific, 1987.
Lua MLA (8ú heag.)Não informado. Information and Software Technology. Butterworth Scientific, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.